| Name | CVE-2020-14363 |
| Description | An integer overflow vulnerability leading to a double-free was found in libX11. This flaw allows a local privileged attacker to cause an application compiled with libX11 to crash, or in some cases, result in arbitrary code execution. The highest threat from this flaw is to confidentiality, integrity as well as system availability. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-2361-1, ELA-275-1 |
| Debian Bugs | 969008 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| libx11 (PTS) | jessie, jessie (lts) | 2:1.6.2-3+deb8u7 | fixed |
| stretch (security) | 2:1.6.4-3+deb9u4 | fixed | |
| stretch (lts), stretch | 2:1.6.4-3+deb9u6 | fixed | |
| buster (security), buster, buster (lts) | 2:1.6.7-1+deb10u4 | fixed | |
| bullseye (security), bullseye | 2:1.7.2-1+deb11u2 | fixed | |
| bookworm (security), bookworm | 2:1.8.4-2+deb12u2 | fixed | |
| sid, trixie | 2:1.8.10-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| libx11 | source | jessie | 2:1.6.2-3+deb8u4 | ELA-275-1 | ||
| libx11 | source | stretch | 2:1.6.4-3+deb9u3 | DLA-2361-1 | ||
| libx11 | source | buster | 2:1.6.7-1+deb10u1 | |||
| libx11 | source | (unstable) | 2:1.6.12-1 | 969008 |
https://lists.x.org/archives/xorg-announce/2020-August/003056.html
https://gitlab.freedesktop.org/xorg/lib/libx11/-/commit/acdaaadcb3d85c61fd43669fc5dddf0f8c3f911d